Advertisements
Advertisements
Question
Write down the number of neutrons in the nucleus of an atom having atomic number 17 and mass number 37.
Advertisements
Solution
A = n + p (At. No.) A is mass number
37 = n + 17
Number of neutrons = n = 37 – 17 = 20
APPEARS IN
RELATED QUESTIONS
Name the three sub-atomic particles of an atom.
Helium atom has an atomic mass of 4 u and two protons in its nucleus. How many neutrons does it have?
Compare the properties of electrons, protons and neutrons.
A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
Name the subatomic particle whose relative charge is : 0
Name the element which does not contain any neutrons in its nucleus.
On the basis of Rutherford’s model of an atom, which subatomic particle is present in the nucleus of an atom?
Write the properties of neutrons.
The hydrogen atom does not have ______.
The stability of the nucleus is determined by the Neutron – Proton ratio.
